A recent pseudo-study repeats the relative risk approach of Nutt's 2014 article, which has benefited the industry so well.[xli] Employees of Biochromex,[xlii] which presents itself on its site as a company that provides "life science expertise and strategic consulting services to the pharmaceutical, healthcare, and consumer goods sectors", have signed off on a supposedly systematic literature review
Of all the included studies, only seven evaluated the effects of electronic cigarettes in a healthy non-tobacco smoking population, these studies revealed significant effects, including increases in heart rate, mean arterial blood pressure, arterial stiffness, and oxidative stress, as well as respiratory system changes such as alterations in the transcriptomes of the respiratory epithelium and alveolar macrophages, and a sudden increase in airflow resistance suggesting airway obstruction
This is a useful, instructive alternative that allows students to experimentally explore key biological concepts as well as the damaging effects of vapor. Within hours of announcing the module on a teacher listserv, a half-dozen teachers reached out to Cassidy-Hanley to reserve a kit for their classroom
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